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54678897 = 3271366763
BaseRepresentation
bin1101000010010…
…1010101110001
310210212222100100
43100211111301
5102444211042
65231543013
71232522460
oct320452561
9123788310
1054678897
1128957079
121638aa69
13b435ca0
1473949d7
154c0124c
hex3425571

54678897 has 24 divisors (see below), whose sum is σ = 97208384. Its totient is φ = 28841184.

The previous prime is 54678863. The next prime is 54678913. The reversal of 54678897 is 79887645.

54678897 is a `hidden beast` number, since 546 + 7 + 8 + 8 + 97 = 666.

It is not a de Polignac number, because 54678897 - 215 = 54646129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54678497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32563 + ... + 34200.

Almost surely, 254678897 is an apocalyptic number.

It is an amenable number.

54678897 is a deficient number, since it is larger than the sum of its proper divisors (42529487).

54678897 is a wasteful number, since it uses less digits than its factorization.

54678897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66789 (or 66786 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 54678897 is about 7394.5180370326. The cubic root of 54678897 is about 379.5537166121.

The spelling of 54678897 in words is "fifty-four million, six hundred seventy-eight thousand, eight hundred ninety-seven".

Divisors: 1 3 7 9 13 21 39 63 91 117 273 819 66763 200289 467341 600867 867919 1402023 2603757 4206069 6075433 7811271 18226299 54678897